Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:10:46 2013 Optimize a model with 56000 rows, 84002 columns and 112000 nonzeros Model has 28000 quadratic constraints Presolve time: 0.06s Presolved: 56000 rows, 84002 columns, 112000 nonzeros Presolved model has 28000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.400e+04 Factor NZ : 1.960e+05 (roughly 60 MBytes of memory) Factor Ops : 7.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.41257501e+07 0.00000000e+00 2.44e-12 4.97e-01 2.97e+02 0s 1 4.85001600e+06 9.77641484e+05 1.76e-07 4.77e-05 4.61e+01 0s 2 3.63424432e+06 2.88155753e+06 2.54e-08 2.93e-06 8.96e+00 0s 3 3.33979532e+06 3.19149565e+06 5.73e-09 3.66e-07 1.77e+00 1s 4 3.26218224e+06 3.22803488e+06 1.09e-09 1.02e-07 4.07e-01 1s 5 3.24328506e+06 3.23328307e+06 1.94e-11 6.44e-08 1.19e-01 1s 6 3.24284375e+06 3.24232083e+06 6.20e-12 2.16e-09 6.23e-03 1s 7 3.24263989e+06 3.24260873e+06 1.07e-13 1.84e-10 3.71e-04 1s 8 3.24263735e+06 3.24263493e+06 5.68e-14 4.42e-12 2.88e-05 1s Barrier solved model in 8 iterations and 1.10 seconds Optimal objective 3.24263735e+06